基于ssm实现简单增删改查时出现的问题

Question

问题遇到的现象

搭建ssm框架实现简单增删改查时出现的问题

问题相关代码

spring-dao.xml

<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd">
    <!-- 配置整合mybatis过程 -->
    <!-- 1.配置数据库相关参数properties的属性：${url} -->
    <context:property-placeholder location="classpath:jdbc.properties"/>

    <!-- 2.数据库连接池  -->
    <bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
        <!-- 配置连接池属性 -->
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>

    <!-- 3.配置SqlSessionFactory对象 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <!-- 扫描pojo包 使用别名 -->
        <property name="typeAliasesPackage" value="com.bjwl.pojo"/>
        <!-- 扫描sql配置文件:mapper需要的xml文件 -->
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!-- 4.配置扫描Dao接口包，动态实现Dao接口，注入到spring容器中 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!-- 给出需要扫描Dao接口包 -->
        <property name="basePackage" value="com.bjwl.dao"/>
    </bean>
</beans>

spring-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:jdbc="http://www.springframework.org/schema/jdbc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd
       http://www.springframework.org/schema/jdbc
       http://www.springframework.org/schema/jdbc/spring-jdbc.xsd">
    <!-- 扫描service包下所有使用注解的类型 -->
    <context:component-scan base-package="com.bjwl.service" />

    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>
    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager" />
    <jdbc:embedded-database id="dataSource"/>
</beans>

运行结果及报错内容

类型 异常报告
消息 Servlet[DispatcherServlet]的Servlet.init（）引发异常
描述 服务器遇到一个意外的情况，阻止它完成请求。
例外情况
javax.servlet.ServletException: Servlet[DispatcherServlet]的Servlet.init（）引发异常
根本原因。
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are:PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'databaseType' threw exception; nested exception is java.lang.IllegalStateException: Driver for test database type [HSQL] is not available
根本原因。
org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are:PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'databaseType' threw exception; nested exception is java.lang.IllegalStateException: Driver for test database type [HSQL] is not available

dao层还有一个 no matching beans found 的错误

我想要达到的结果

希望可以帮忙看看，可私

Answer 1

Error creating bean with name 'dataSource': Error setting property values;
数据源注入失败，查看一下配置文件是否正常。